[ServiceWorker] Update formatting for tests.

LayoutTests/http/tests/serviceworker/resources/fetch-worker.js

 importScripts('worker-testharness.js');
 importScripts('test-helpers.js');
 
 async_test(function(t) {
     fetch('http://')
       .then(
         unreached_rejection(t, 'fetch of invalid URL must fail'),
         function(e) {
           assert_equals(e.message, 'Invalid URL');
           t.done();
@@ skipping 55 matching lines @@
       .then(evalJsonp)
       .then(function(result) {
           assert_equals(result.method, 'POST');
           assert_equals(result.body, 'Test String');
           t.done();
         })
       .catch(unreached_rejection(t));
   }, 'Fetch with string body test in ServiceWorkerGlobalScope');
 
 async_test(function(t) {
-    var text = "Test ArrayBuffer";
+    var text = 'Test ArrayBuffer';
     var array = new Uint8Array(text.length);
     for (var i = 0; i < text.length; ++i)
       array[i] = text.charCodeAt(i);
     var request = new Request('fetch-access-control.php',
                               {method: 'POST', body: array.buffer});
     fetch(request)
       .then(function(response) { return response.text(); })
       .then(evalJsonp)
       .then(function(result) {
           assert_equals(result.method, 'POST');
           assert_equals(result.body, 'Test ArrayBuffer');
           t.done();
         })
       .catch(unreached_rejection(t));
   }, 'Fetch with ArrayBuffer body test in ServiceWorkerGlobalScope');
 
 async_test(function(t) {
-    var text = "Test ArrayBufferView";
+    var text = 'Test ArrayBufferView';
     var array = new Uint8Array(text.length);
     for (var i = 0; i < text.length; ++i)
       array[i] = text.charCodeAt(i);
     var request = new Request('fetch-access-control.php',
                               {method: 'POST', body: array});
     fetch(request)
       .then(function(response) { return response.text(); })
       .then(evalJsonp)
       .then(function(result) {
           assert_equals(result.method, 'POST');
           assert_equals(result.body, 'Test ArrayBufferView');
           t.done();
         })
       .catch(unreached_rejection(t));
   }, 'Fetch with ArrayBufferView body test in ServiceWorkerGlobalScope');
 
 async_test(function(t) {
     var formData = new FormData();
     formData.append('StringKey1', '1234567890');
     formData.append('StringKey2', 'ABCDEFGHIJ');
     formData.append('BlobKey', new Blob(['blob content']));
     formData.append('FileKey',
                     new File(['file content'], 'file.dat'));
     var request = new Request('fetch-access-control.php',
-                          {method: 'POST', body: formData});
+                              {method: 'POST', body: formData});
     fetch(request)
       .then(function(response) { return response.text(); })
       .then(evalJsonp)
       .then(function(result) {
           assert_equals(result.method, 'POST');
           assert_equals(result.post['StringKey1'], '1234567890');
           assert_equals(result.post['StringKey2'], 'ABCDEFGHIJ');
           var files = [];
           for (var i = 0; i < result.files.length; ++i) {
             files[result.files[i].key] = result.files[i];
@@ skipping 10 matching lines @@
   }, 'Fetch with FormData body test in ServiceWorkerGlobalScope');
 
 test(function(t) {
     function runInfiniteFetchLoop() {
       fetch('dummy.html')
         .then(function() { runInfiniteFetchLoop(); });
     }
     runInfiniteFetchLoop();
   },
   'Destroying the execution context while fetch is happening should not ' +
-      'cause a crash.');
+  'cause a crash.');